(19)

(11)

EP 2 029 646 A2

(12)

(88) Date of publication A3: 10.07.2008 (43) Date of publication: 04.03.2009 Bulletin 2009/10 (21) Application number: 07812209.0 (22) Date of filing: 20.06.2007

(51) International Patent Classification (IPC):  C08F 297/02(2006.01) C08F 255/08(2006.01) C08F 136/06(2006.01) (86) International application number: PCT/US2007/071620 (87) International publication number: WO 2007/149897 (27.12.2007 Gazette 2007/52)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 21.06.2006 US 425618 (71) Applicant: Fina Technology, Inc. Houston, TX 77267-4412 (US)	(72) Inventors: SOSA, Jose, M. Deer Park, TX 77536 (US) ULLAH, Shazia Houston, TX 77035 (US) ELLIS, Billy, J. Spring, TX 77373 (US) (74) Representative: Lüke, Dierck-Wilm  Gelfertstrasse 56 14195 Berlin 14195 Berlin (DE)